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Abstract Study Objectives Our goal was to compare brief behavioral treatment for insomnia (BBTI) to a progressive muscle relaxation training (PMRT) control condition among veterans with insomnia, examining psychosocial functioning as a primary outcome and sleep-related outcomes, mood, cognition, and pain as secondary outcomes. Methods Veterans were randomly assigned to either BBTI or PMRT (N = 91; 24–74 years; M = 49 years). BBTI consisted of two in-person (60-min and 30-min sessions) and two telephone sessions (20-min each), and the PMRT control condition was matched to BBTI for session duration and type. Veterans were assessed through clinical interview at baseline and self-report measures at pre-, mid-, and posttreatment, as well as 6-month follow-up for the BBTI condition to assess sustained response. Measures also included continuous sleep monitoring with sleep diary. Results Intent-to-treat analyses demonstrated that individuals who completed BBTI versus PMRT reported greater improvements in work, home, social and cognitive functioning, insomnia symptom severity, mood, and energy. Improvements in psychosocial functioning, insomnia symptoms, and mood were maintained 6-months following BBTI treatment completion. Conclusions Veterans who received BBTI improved and maintained gains in psychosocial functioning, insomnia, and mood. BBTI is a treatment that can be implemented in primary care, mental health, or integrated care settings and provide symptom relief and improved functioning among those with insomnia, one of the most commonly reported mental health problems among veterans. Clinical trial registration NCT02571452.

There are no reported randomized trials testing exercise versus an active comparator for Posttraumatic Stress Disorder (PTSD). This randomized clinical trial assessed the effectiveness of group exercise versus psychoeducation to improve quality of life and reduces symptomatic severity in Veterans with PTSD. Veterans who met criteria for current PTSD (DSM-5) and/or endorsed moderate levels of PTSD symptoms (CAPS 5 score ≥ 23) were randomly assigned to treatment. Integrative Exercise (IE) combines fitness exercises (aerobics, resistance training, stretching) with mindful body/breath awareness versus Recovery Class (REC) psychoeducation control condition. A total of 84 participants were enrolled of which 41 participants were randomized to IE and 43 participants to REC. There were no significant pre-post differences in change in the WHOQOL Psychological Domain in either group. There was a modest reduction in the total CAPS-5 score in both groups (IE: -8.2 (9.9), p  < .001: REC: -7.8 (2.0), p  < .001) but no differences across the two conditions. In the IE subsample that was remote, there was a greater improvement in PTSD symptom severity (F[1, 50] = 4.62, p  = .036) and in in the WHOQOL Psychological Domain (F(1, 47) = 6.46, p  = .014) in those who attended more sessions. Trial registration  ClinicalTrials.gov Identifier: NCT02856412 (registration date: February 27, 2017).

It has been reported that posttraumatic stress disorder (PTSD) is associated with secondary spouse/partner (S/P) emotional distress and relationship violence. To investigate the relationships between PTSD, S/P emotional distress and relationship violence among police recruits using a prospective design. Two hypotheses were tested in 71 S/Ps: (1) Police officer reports of greater PTSD symptoms after 12 months of police service will be associated with greater secondary trauma symptoms among S/Ps; (2) Greater secondary trauma symptoms among S/Ps at 12 months will be associated with S/P reports of greater relationship violence. 71 police recruits and their S/Ps were assessed at baseline and 12 months after the start of police officer duty. Using linear and logistic regression, we analyzed explanatory variables for 12 month S/P secondary traumatic stress symptoms and couple violence, including baseline S/P variables and couple violence, as well as exposure and PTSD reports from both S/P and officer. S/P perception of officer PTSD symptoms predicted S/P secondary traumatic stress. OS/P secondary trauma was significantly associated with both total couple violence (.34, p = .004) and S/P to officer violence (.35, p = .003). Although results from this relatively small study of young police officers and their S/Ps must be confirmed by larger studies in general populations, findings suggest that S/P perception of PTSD symptoms may play a key role in the spread of traumatic stress symptoms across intimate partner relationships and intimate partner violence in the context of PTSD.

Fear extinction underlies prolonged exposure, one of the most well-studied treatments for posttraumatic stress disorder (PTSD). There has been increased interest in exploring pharmacological agents to enhance fear extinction learning in humans and their potential as adjuncts to PE. The objective of such adjuncts is to augment the clinical impact of PE on the durability and magnitude of symptom reduction. In this study, we examined whether hydrocortisone (HC), a corticosteroid, and D-Cycloserine (DCS), an N-methyl-D-aspartate receptor partial agonist, enhance fear extinction learning and consolidation in individuals with PTSD. In a double-blind placebo-controlled 3-group experimental design, 90 individuals with full or subsyndromal PTSD underwent fear conditioning with stimuli that were paired (CS+) or unpaired (CS−) with shock. Extinction learning occurred 72 h later and extinction retention was tested one week after extinction. HC 25 mg, DCS 50 mg or placebo was administered one hour prior to extinction learning. During extinction learning, the DCS and HC groups showed a reduced differential CS+/CS− skin conductance response (SCR) compared to placebo (b = −0.19, CI = −0.01 to −37, p = 0.042 and b = −0.25, CI = −08 to −0.43, p = 0.005, respectively). A nonsignificant trend for a lower differential CS+/CS− SCR in the DCS group, compared to placebo, (b = −0.25, CI = 0.04 to −0.55, p = 0.089) was observed at retention testing, one week later. A single dose of HC and DCS facilitated fear extinction learning in participants with PTSD symptoms. While clinical implications have yet to be determined, our findings suggest that glucocorticoids and NMDA agonists hold promise for facilitating extinction learning in PTSD.

Objectives. We sought to investigate longitudinal trends and risk factors for mental health diagnoses among Iraq and Afghanistan veterans. Methods. We determined the prevalence and predictors of mental health diagnoses among 289 328 Iraq and Afghanistan veterans entering Veterans Affairs (VA) health care from 2002 to 2008 using national VA data. Results. Of 289 328 Iraq and Afghanistan veterans, 106 726 (36.9%) received mental health diagnoses; 62 929 (21.8%) were diagnosed with posttraumatic stress disorder (PTSD) and 50 432 (17.4%) with depression. Adjusted 2-year prevalence rates of PTSD increased 4 to 7 times after the invasion of Iraq. Active duty veterans younger than 25 years had higher rates of PTSD and alcohol and drug use disorder diagnoses compared with active duty veterans older than 40 years (adjusted relative risk = 2.0 and 4.9, respectively). Women were at higher risk for depression than were men, but men had over twice the risk for drug use disorders. Greater combat exposure was associated with higher risk for PTSD. Conclusions. Mental health diagnoses increased substantially after the start of the Iraq War among specific subgroups of returned veterans entering VA health care. Early targeted interventions may prevent chronic mental illness.

Abstract Study Objectives Published research indicates that sleep is involved in emotional information processing. Using a fear-potentiated startle (FPS) and nap sleep protocol, we examined the relationship of emotional learning with REM sleep (REMS) in trauma-exposed participants. We also explored the roles of posttraumatic stress disorder (PTSD) symptoms, biological sex, and an integrative measure of polysomnography-measured (PSG) sleep in the learning-sleep relationship. Methods After an adaptation nap, participants (N = 46) completed two more visits (counterbalanced): a stress-condition visit, which included FPS conditioning procedures prior to a nap and assessment of learning retention and fear extinction training after the nap, and a control visit, which included a nap opportunity without stressful procedures. FPS conditioning included a “fear” visual stimulus paired with an air blast to the neck and a “safety” visual stimulus never paired with an air blast. Retention and extinction involved presentation of the visual stimuli without the air blast. Primary analyses examined the relationship between FPS responses pre- and post-sleep with stress-condition REMS duration, controlling for control-nap REMS duration. Results Higher safety learning predicted increased REMS and increased REMS predicted more rapid extinction learning. Similar relationships were observed with an integrative PSG sleep measure. They also showed unexpected effects of PTSD symptoms on learning and showed biological sex effects on learning-sleep relationships. Conclusions Findings support evidence of a relationship between adaptive emotional learning and REMS. They underscore the importance of examining sex effects in sleep-learning relationships. They introduce an integrative PSG sleep measure with potential relevance to studies of sleep and subjective and biological outcomes.

Background The United States military has lost more troops to suicide than to combat for the second year in a row and better understanding combat‐related risk factors for suicide is critical. We examined the association of killing and suicide among war veterans after accounting for PTSD, depression, and substance use disorders. Methods We utilized a cross‐sectional, retrospective, nationally representative sample of Vietnam veterans from the National Vietnam Veterans Readjustment Study (NVVRS). In order to perform a more in depth analysis, we utilized a subsample of these data, the NVVRS Clinical Interview Sample (CIS), which is representative of 1.3 million veterans who were eligible for the clinical interview by virtue of living in proximity to an interview site, located within 28 standard metropolitan regions throughout the United States. Results Veterans who had higher killing experiences had twice the odds of suicidal ideation, compared to those with lower or no killing experiences (OR = 1.99, 95% CI = 1.07–3.67), even after adjusting for demographic variables, PTSD, depression, substance use disorders, and adjusted combat exposure. PTSD (OR = 3.42, 95% CI = 1.09–10.73), depression (OR = 11.49, 95% CI = 2.12–62.38), and substance use disorders (OR = 3.98, 95% CI = 1.01–15.60) were each associated with higher odds of suicidal ideation. Endorsement of suicide attempts was most strongly associated with PTSD (OR = 5.52, 95% CI = 1.21–25.29). Conclusions Killing experiences are not routinely examined when assessing suicide risk. Our findings have important implications for conducting suicide risk assessments in veterans of war. Depression and Anxiety 00:1–6, 2012. © 2012 Wiley Periodicals, Inc.

Abstract Study Objectives Hypnotic medications can adversely affect behavior during unanticipated awakenings during the night. Animals treated with the hypocretin (Hcrt) receptor antagonist almorexant (ALM) have less acute cognitive impairment compared to the GABAA receptor modulator zolpidem (ZOL). This study aimed to determine whether ALM produces less acute cognitive impairment than ZOL in human subjects. Methods Healthy, young adult, unmedicated male and female subjects participated in a controlled trial of a single dose of ALM 100 mg (N = 48), ALM 200 mg (N = 53), ZOL 10 mg (N = 49), and placebo (PBO, N = 52). Results ZOL and both doses of ALM produced similar levels of subjective sleepiness and impaired the ability of subjects to remain awake in a dark, low-stimulus setting relative to PBO. For most cognitive measures, performance under ZOL was significantly worse than ALM or PBO. For tasks involving verbal memory or visual-motor coordination, ZOL impaired performance, whereas the two doses of ALM were no different than PBO. For tasks involving higher-order executive function, ZOL produced impairment in processing speed and inhibitory control, whereas the two doses of ALM were no different than PBO. Performance decrements for ALM were less than ZOL but greater than PBO for some reaction time measures. Conclusions The data provide support for the hypothesis that Hcrt receptor antagonists produce less functional impairment than a benzodiazepine receptor agonist (BzRA). These observations are particularly relevant to patients treated with sedative-hypnotics who are at elevated risk for falls and other untoward events during the intended hours for sleep.

Abstract Objectives: To determine the interaction of age and habitual sleep duration in predicting cognitive performance in a large sample of participants aged 15 to 89 years. Methods: This study is a cross-sectional analysis of performance data gathered between January 2012 and September 2013. First-time players (N = 512823) of three internet cognitive training games measuring processing speed, working memory, visuospatial memory, and arithmetic participated in the study. Results: Performance was based on a measure of speed and accuracy for each game. The relationship between performance and self-reported habitual sleep duration was examined in the sample as a whole and across 10-year age groups starting at age 15 and ending at 75 and older. Performance peaked at 7 h of sleep duration for all three games in the sample as a whole, and the decrements in performance for sleep durations greater than 7 h were either comparable or greater in the youngest as compared to the oldest age groups. Conclusions: These findings challenge the hypothesis that deteriorating cognitive performance with long sleep duration is driven by medical comorbidities associated with aging. Further, these data are consistent with an optimal dose model of sleep and suggest that the model for the homeostatic recovery of cognitive function as a function of sleep duration should incorporate a curvilinear decline with longer duration sleep, indicating that there may be a cost to increased sleep. Replication and further research is essential for clarifying the sleep duration–cognition relationship in youth and adults of all ages.